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FOC | Family List | FOC Vol. 12 | Theaceae | Camellia

1. Camellia subg. Thea (Linnaeus) Hung T. Chang, Taxon. Gen. Camellia. 86. 1981.

茶亚属 cha ya shu

Thea Linnaeus, Sp. Pl. 1: 515. 1753.

Flowers axillary, solitary or to 3 in a cluster, pedicellate. Bracteoles spirally arranged on pedicel, differentiated from sepals, persistent or caducous. Sepals leathery, persistent.

About 74 species: Bhutan, China, NE India, S Japan, S Korea, Laos, Myanmar, Thailand, Vietnam; 58 species (45 endemic) in China.

Camellia sect. Piquetia Pierre, containing only C. piquetiana (Pierre) Sealy, and C. sect. Cylindraceae T. L. Ming, containing only C. cylindracea T. L. Ming, are two additional sections in C. subg. Thea and are both endemic to Vietnam (Ming, Monogr. Gen. Camellia, 75, 108. 2000).


1 Styles distinct or nearly so   (2)
+ Styles basally connate   (3)
       
2 (1) Bracteoles 5 or more; androecium and gynoecium equal to petal length; filaments filiform, basal 1/2 of outer filament whorl connate into a tube; ovary 3-5-loculed (species nos. 1-10).   1 C. sect. Archecamellia
+ Bracteoles 2 or 3; androecium and gynoecium ca. 1/2 petal length; filaments usually subulate, nearly distinct but outer filament whorl basally connate; ovary 3-loculed (species nos. 26-30).   4 C. sect. Corallinae
       
3 (1) Stamens in 2-5 whorls, outer filaments only basally connate; capsule 3-5-loculed, columella persistent   (4)
+ Stamens in 2 whorls, outer filament whorl connate for ca. 2/3 of length; capsule small, 1(-4)-loculed, usually 1-seeded, rarely more, columella nearly abortive   (5)
       
4 (3) Pedicel less than 1 cm, stout, thickened toward apex; bracteoles 2; columella thick (species nos. 11-21).   2 C. sect. Thea
+ Pedicel 1.5-4.2 cm, slender, not thickened toward apex; bracteoles 2-4; columella slender (species nos. 22-25).   3 C. sect. Longipedicellatae
       
5 (3) Petals glabrous; ovary and style glabrous (species nos. 31-49).   5 C. sect. Theopsis
+ Petals outside farinose-puberulent; ovary and style tomentellate (species nos. 50-58).   6 C. sect. Camelliopsis

  • List of lower taxa


     

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